The researchers found that caffeine blocks the conversion of alcohol into salsolinol, the chemical that triggers dopamine ...

The researchers studied male rats and examined the effects of caffeine on the release of dopamine and other substances in the brain when alcohol was present. The rats were divided into groups that ...

An curved arrow pointing right. Coffee, Red Bull, whatever. We drink it for energy, but is that really what it gives us? More from Science Coffee, Red Bull, whatever. We drink it for energy, but ...

We love drinking coffee in the UK, with millions of Brits staring their day with a cup every morning - but there is a limit ...

By blocking adenosine’s relaxing effects, caffeine lets dopamine and glutamine, another natural stimulant produced by your brain, run wild, making you more alert, less bored, and providing a ...

It blocks the neurochemical adenosine which is what tells your brain that you ... the half-life of caffeine is around five hours. And so most of its stimulating effects will wear off well before ...

It seems that caffeine may slightly boost the speed of physical movements – but it turns out that its effects on the brain are not what you might have thought. All our results were in line with ...

From our bloodstream to our brain, caffeine affects multiple areas of our body in different ways that ultimately leads to more than just a boost in wake-fullness: Caffeine can also improve our ...

Theanine, which can cross the blood–brain barrier, is associated with inhibiting the stimulant effects of caffeine. In addition, there are indications that it may protect the brain, reduce ...